1) costs
2) it is beginning, don't have, is wearing
3) don't own, wear
4) am looking, is writing, is biting, is scratching, is staring, seems, is thinking, do you think Ahmed do
5)doesn't belong
6) is fixing, needs
7) often tutors, is helping, doesn't understand, are working
8) am looking, looks, has, isn't having
9) is standing, are you talking, is wearing, i'm not talking, mean, is wearing, don't know, don't recognize
10) do you hear, am i doing, believe, rubbing, are you listening, are rubbing
как-то так
Mary is from China.
Is she a teacher?
l am a football player.
They are sisters
It is a telephone
We are best friends
3) haven't seen
4) didn't see
5) haven't written
6) didn't write
7) hasn't read
8) didn't read
9) hasn't visited
10) didn't visit
1) He went - He has gone
2) She had dinner - She have had dinner
3) I did - I have done
4) I choosed - I have choosed
5) We put it here - We have put it here
6) She knew - She has known
7) It falled - It has falled
8) She read - She has read
9) He swam - He has swum
10) They took - They have taken
1,2,3,5 is from teachers
4 is from student